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发明名称
Smoke detector changing device
摘要
The invention relates to a novel device for easy maintenance of smoke detectors, comprising a three dimensional "receptacle" that attaches to a pole and fits around a smoke detector housing to easily remove it from its mounting plate.
申请公布号
US7204534(B2)
申请公布日期
2007.04.17
申请号
US20030738125
申请日期
2003.12.16
申请人
KELLY ROBERT
发明人
KELLY ROBERT
分类号
A47F13/06;G08B29/14
主分类号
A47F13/06
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